From 37c6dbe290c05023b47f52528e30ce51336b93eb Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Thu, 18 Jun 2009 07:35:36 -0300 Subject: [PATCH] V4L/DVB (12091): gspca_sonixj: Add light frequency control gspca_sonixj: Add light frequency control Signed-off-by: Hans de Goede Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/sonixj.c | 133 ++++++++++++++++++++++++++--- 1 file changed, 123 insertions(+), 10 deletions(-) diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 6f475b471fb9..7daa60299c0e 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -46,6 +46,7 @@ struct sd { u8 gamma; u8 vflip; /* ov7630/ov7648 only */ u8 infrared; /* mt9v111 only */ + u8 freq; /* ov76xx only */ u8 quality; /* image quality */ #define QUALITY_MIN 60 #define QUALITY_MAX 95 @@ -96,6 +97,8 @@ static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val); static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val); static int sd_setinfrared(struct gspca_dev *gspca_dev, __s32 val); static int sd_getinfrared(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val); static struct ctrl sd_ctrls[] = { #define BRIGHTNESS_IDX 0 @@ -237,19 +240,35 @@ static struct ctrl sd_ctrls[] = { .set = sd_setinfrared, .get = sd_getinfrared, }, +/* ov7630/ov7648/ov7660 only */ +#define FREQ_IDX 9 + { + { + .id = V4L2_CID_POWER_LINE_FREQUENCY, + .type = V4L2_CTRL_TYPE_MENU, + .name = "Light frequency filter", + .minimum = 0, + .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */ + .step = 1, +#define FREQ_DEF 2 + .default_value = FREQ_DEF, + }, + .set = sd_setfreq, + .get = sd_getfreq, + }, }; /* table of the disabled controls */ static __u32 ctrl_dis[] = { - (1 << INFRARED_IDX) | (1 << VFLIP_IDX), + (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX), /* SENSOR_HV7131R 0 */ - (1 << INFRARED_IDX) | (1 << VFLIP_IDX), + (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX), /* SENSOR_MI0360 1 */ - (1 << INFRARED_IDX) | (1 << VFLIP_IDX), + (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX), /* SENSOR_MO4000 2 */ - (1 << VFLIP_IDX), + (1 << VFLIP_IDX) | (1 << FREQ_IDX), /* SENSOR_MT9V111 3 */ - (1 << INFRARED_IDX) | (1 << VFLIP_IDX), + (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX), /* SENSOR_OM6802 4 */ (1 << INFRARED_IDX), /* SENSOR_OV7630 5 */ @@ -257,8 +276,8 @@ static __u32 ctrl_dis[] = { /* SENSOR_OV7648 6 */ (1 << AUTOGAIN_IDX) | (1 << INFRARED_IDX) | (1 << VFLIP_IDX), /* SENSOR_OV7660 7 */ - (1 << AUTOGAIN_IDX) | (1 << INFRARED_IDX) | (1 << VFLIP_IDX), - /* SENSOR_SP80708 8 */ + (1 << AUTOGAIN_IDX) | (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | + (1 << FREQ_IDX), /* SENSOR_SP80708 8 */ }; static const struct v4l2_pix_format vga_mode[] = { @@ -647,8 +666,8 @@ static const u8 ov7630_sensor_init[][8] = { {0xa1, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}, {0xb1, 0x21, 0x01, 0x80, 0x80, 0x00, 0x00, 0x10}, /* */ - {0xa1, 0x21, 0x2a, 0x88, 0x00, 0x00, 0x00, 0x10}, - {0xa1, 0x21, 0x2b, 0x34, 0x00, 0x00, 0x00, 0x10}, +/* {0xa1, 0x21, 0x2a, 0x88, 0x00, 0x00, 0x00, 0x10}, * set by setfreq */ +/* {0xa1, 0x21, 0x2b, 0x34, 0x00, 0x00, 0x00, 0x10}, * set by setfreq */ /* */ {0xa1, 0x21, 0x10, 0x83, 0x00, 0x00, 0x00, 0x10}, /* {0xb1, 0x21, 0x01, 0x88, 0x70, 0x00, 0x00, 0x10}, */ @@ -681,7 +700,7 @@ static const u8 ov7648_sensor_init[][8] = { {0xd1, 0x21, 0x21, 0x86, 0x00, 0xde, 0xa0, 0x10}, /* {0xd1, 0x21, 0x25, 0x80, 0x32, 0xfe, 0xa0, 0x10}, jfm done */ /* {0xd1, 0x21, 0x29, 0x00, 0x91, 0x00, 0x88, 0x10}, jfm done */ - {0xb1, 0x21, 0x2d, 0x85, 0x00, 0x00, 0x00, 0x10}, +/* {0xb1, 0x21, 0x2d, 0x85, 0x00, 0x00, 0x00, 0x10}, set by setfreq */ /*...*/ /* {0xa1, 0x21, 0x12, 0x08, 0x00, 0x00, 0x00, 0x10}, jfm done */ /* {0xa1, 0x21, 0x75, 0x06, 0x00, 0x00, 0x00, 0x10}, * COMN @@ -1307,6 +1326,7 @@ static int sd_config(struct gspca_dev *gspca_dev, else sd->vflip = 1; sd->infrared = INFRARED_DEF; + sd->freq = FREQ_DEF; sd->quality = QUALITY_DEF; sd->jpegqual = 80; @@ -1610,6 +1630,58 @@ static void setinfrared(struct sd *sd) sd->infrared ? 0x66 : 0x64); } +static void setfreq(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (sd->sensor == SENSOR_OV7660) { + switch (sd->freq) { + case 0: /* Banding filter disabled */ + i2c_w1(gspca_dev, 0x13, 0xdf); + break; + case 1: /* 50 hz */ + i2c_w1(gspca_dev, 0x13, 0xff); + i2c_w1(gspca_dev, 0x3b, 0x0a); + break; + case 2: /* 60 hz */ + i2c_w1(gspca_dev, 0x13, 0xff); + i2c_w1(gspca_dev, 0x3b, 0x02); + break; + } + } else { + u8 reg2a = 0, reg2b = 0, reg2d = 0; + + /* Get reg2a / reg2d base values */ + switch (sd->sensor) { + case SENSOR_OV7630: + reg2a = 0x08; + reg2d = 0x01; + break; + case SENSOR_OV7648: + reg2a = 0x11; + reg2d = 0x81; + break; + } + + switch (sd->freq) { + case 0: /* Banding filter disabled */ + break; + case 1: /* 50 hz (filter on and framerate adj) */ + reg2a |= 0x80; + reg2b = 0xac; + reg2d |= 0x04; + break; + case 2: /* 60 hz (filter on, no framerate adj) */ + reg2a |= 0x80; + reg2d |= 0x04; + break; + } + i2c_w1(gspca_dev, 0x2a, reg2a); + i2c_w1(gspca_dev, 0x2b, reg2b); + i2c_w1(gspca_dev, 0x2d, reg2d); + } +} + static void setjpegqual(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; @@ -1836,6 +1908,7 @@ static int sd_start(struct gspca_dev *gspca_dev) setbrightness(gspca_dev); setcontrast(gspca_dev); setautogain(gspca_dev); + setfreq(gspca_dev); return 0; } @@ -2139,6 +2212,24 @@ static int sd_getinfrared(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->freq = val; + if (gspca_dev->streaming) + setfreq(gspca_dev); + return 0; +} + +static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->freq; + return 0; +} + static int sd_set_jcomp(struct gspca_dev *gspca_dev, struct v4l2_jpegcompression *jcomp) { @@ -2167,6 +2258,27 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev, return 0; } +static int sd_querymenu(struct gspca_dev *gspca_dev, + struct v4l2_querymenu *menu) +{ + switch (menu->id) { + case V4L2_CID_POWER_LINE_FREQUENCY: + switch (menu->index) { + case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ + strcpy((char *) menu->name, "NoFliker"); + return 0; + case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ + strcpy((char *) menu->name, "50 Hz"); + return 0; + case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */ + strcpy((char *) menu->name, "60 Hz"); + return 0; + } + break; + } + return -EINVAL; +} + /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, @@ -2181,6 +2293,7 @@ static const struct sd_desc sd_desc = { .dq_callback = do_autogain, .get_jcomp = sd_get_jcomp, .set_jcomp = sd_set_jcomp, + .querymenu = sd_querymenu, }; /* -- module initialisation -- */ -- 2.20.1